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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The maximum steam pressure in a Locomotive boiler is limited to

180 MN/m²
18 MN/m²
1.8 MN/m²
0.18 MN/m²

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Steam Boilers, Engines, Nozzles and Turbines
Sulphur content of fuels is very important to the plant operators because it

Promotes complete combustion
Retards electric precipitation
Has high heating value
Has highly corrosive effect

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Steam Boilers, Engines, Nozzles and Turbines
Adiabatic process is

Constant temperature process
Non-heat transfer process
Essentially an isentropic process
Reversible process

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Steam Boilers, Engines, Nozzles and Turbines
Sublimation region is the region where

Solid, liquid and vapor phases are in equilibrium
Solid and vapor phases are in equilibrium
Liquid and vapor phases are in equilibrium
Solid and liquid phases are in equilibrium

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Steam Boilers, Engines, Nozzles and Turbines
The draught (in mm of water), for maximum discharge of flue gases through the chimney, is given by (where H = Height of the chimney in meters, and T1 = Absolute temperature of air outside the chimney in K)

T1 /176.5H
176.5H/T1
88.25H/T1
T1 /88.25H

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Steam Boilers, Engines, Nozzles and Turbines
In locomotive boiler, maximum steam pressure is limited to

1 kg/cm²
10 kg/cm²
5 kg/cm²
18 kg/cm²

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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